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Finding the Fourth Proportional to 331,482.84, 457,412.04 and 186,265.56

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Solution

The fourth proportional to 331,482.84, 457,412.04 and 186,265.56 is: 257,027.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,482.84 : 457,412.04 = 186,265.56 : x
  2. Step 2: Convert to fraction form
    331,482.84/457,412.04 = 186,265.56/x
  3. Step 3: Cross multiply
    331,482.84x = 457,412.04 × 186,265.56
  4. Step 4: Simplify right side
    331,482.84x = 85,200,109,781.34
  5. Step 5: Solve for x
    x = 85,200,109,781.34/331,482.84
  6. Step 6: Final answer
    x = 257,027.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.